Skin reactions in pollinosis patients of North Dakota.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D006801:Humans; D006967:Hypersensitivity / Q000175:diagnosis*; D007223:Infant; D008875:Middle Aged; D009658:North Dakota; D011058:Pollen; D012111:Residence Characteristics; D012882:Skin Tests